﻿using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ViewComponents;
using Nop.Core.Events;
using Nop.Core.Infrastructure;
using Nop.Web.Framework.Events;
using Nop.Web.Framework.Models;

namespace Nop.Web.Framework.Components;

/// <summary>
/// Base class for ViewComponent in nopCommerce
/// </summary>
public abstract partial class NopViewComponent : ViewComponent
{
    protected virtual void PublishModelPrepared<TModel>(TModel model)
    {
        //Components are not part of the controller life cycle.
        //Hence, we could no longer use Action Filters to intercept the Models being returned
        //as we do in the /Nop.Web.Framework/Mvc/Filters/PublishModelEventsAttribute.cs for controllers

        //model prepared event
        if (model is BaseNopModel)
        {
            var eventPublisher = EngineContext.Current.Resolve<IEventPublisher>();

            //we publish the ModelPrepared event for all models as the BaseNopModel, 
            //so you need to implement IConsumer<ModelPrepared<BaseNopModel>> interface to handle this event
            eventPublisher.ModelPreparedAsync(model as BaseNopModel).Wait();
        }

        if (model is IEnumerable<BaseNopModel> modelCollection)
        {
            var eventPublisher = EngineContext.Current.Resolve<IEventPublisher>();

            //we publish the ModelPrepared event for collection as the IEnumerable<BaseNopModel>, 
            //so you need to implement IConsumer<ModelPrepared<IEnumerable<BaseNopModel>>> interface to handle this event
            eventPublisher.ModelPreparedAsync(modelCollection).Wait();
        }
    }

    /// <summary>
    /// Returns a result which will render the partial view with name <paramref name="viewName"/>.
    /// </summary>
    /// <param name="viewName">The name of the partial view to render.</param>
    /// <param name="model">The model object for the view.</param>
    /// <returns>A <see cref="ViewViewComponentResult"/>.</returns>
    public new ViewViewComponentResult View<TModel>(string viewName, TModel model)
    {
        PublishModelPrepared(model);

        //invoke the base method
        return base.View<TModel>(viewName, model);
    }

    /// <summary>
    /// Returns a result which will render the partial view
    /// </summary>
    /// <param name="model">The model object for the view.</param>
    /// <returns>A <see cref="ViewViewComponentResult"/>.</returns>
    public new ViewViewComponentResult View<TModel>(TModel model)
    {
        PublishModelPrepared(model);

        //invoke the base method
        return base.View<TModel>(model);
    }

    /// <summary>
    ///  Returns a result which will render the partial view with name viewName
    /// </summary>
    /// <param name="viewName">The name of the partial view to render.</param>
    /// <returns>A <see cref="ViewViewComponentResult"/>.</returns>
    public new ViewViewComponentResult View(string viewName)
    {
        //invoke the base method
        return base.View(viewName);
    }
}